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宋俊敏, 万丹婷, 郑中梅, 赵志广, 刘刚, 林锦春, 张绍芳, 夏俊杰. 美国CDC社区老人跌倒风险自评表在我国老年人群中测试和信效度[J]. 中国公共卫生, 2020, 36(4): 592-595. DOI: 10.11847/zgggws1120861
引用本文: 宋俊敏, 万丹婷, 郑中梅, 赵志广, 刘刚, 林锦春, 张绍芳, 夏俊杰. 美国CDC社区老人跌倒风险自评表在我国老年人群中测试和信效度[J]. 中国公共卫生, 2020, 36(4): 592-595. DOI: 10.11847/zgggws1120861
Jun-min SONG, Dan-ting WAN, Zhong-mei ZHENG, . Reliability and validity of US CDC Self-Rated Fall Risk Questionnaire among Chinese community-dwelling older adults[J]. Chinese Journal of Public Health, 2020, 36(4): 592-595. DOI: 10.11847/zgggws1120861
Citation: Jun-min SONG, Dan-ting WAN, Zhong-mei ZHENG, . Reliability and validity of US CDC Self-Rated Fall Risk Questionnaire among Chinese community-dwelling older adults[J]. Chinese Journal of Public Health, 2020, 36(4): 592-595. DOI: 10.11847/zgggws1120861

美国CDC社区老人跌倒风险自评表在我国老年人群中测试和信效度

Reliability and validity of US CDC Self-Rated Fall Risk Questionnaire among Chinese community-dwelling older adults

  • 摘要:
      目的  引入并测试和评价美国CDC社区老人跌倒风险自评表,以探索适应中国社区老年人的跌倒风险自评估工具。
      方法  量表的汉化过程采用翻译、回译和文化调试法。2017年12月 — 2018年2月对203名社区老年人进行调查,测试量表的信度、效度及敏感度。
      结果  自评表总体Cronbach′s α 信度系数和分半信度系数均为0.670,去除条目后的一致性Cronbach′s α 系数均无明显降低。集合效度试验成功率为100 %。内容效度、区分效度良好。探索性因子分析显示自评表涉及9个公因子,累计方差贡献率88.26 %,因子分析的结果与量表的理论结构假设非常一致。以总分 ≥ 4分为界值区分高风险和非高风险人群的敏感度高达81.03 %,ROC曲线下面积为0.743。
      结论  中文版美国CDC社区老人跌倒风险自评表具有较好的信度、效度和敏感度,是中国进行社区老年人跌倒风险自评的有效工具和重要参考。

     

    Abstract:
      Objective  To introduce the Self-Rated Fall Risk Questionnaire (FRQ) from U.S. Centers for Disease Control and Prevention (CDC) and to evaluate the reliability and validity of the FRQ among Chinese community elderly for developing fall risk self-assessment instrument for elderly populations in China.
      Methods  The Chinese version of FRQ (FRQ-CV) was developed through the process of translation, back-translation and cultural adaption. A total of 203 residents aged more than 65 years were recruited in three communities of Luohu district of Shenzhen city and administered with the FRQ-CV to evaluate the reliability, validity as well as the predictive power of the scale from December 2017 to February 2018.
      Results  Both of the overall Cronbach′s α coefficient and split-half reliability of the FRQ-CV were 0.670. No significant decreases were observed in consistency Cronbach′s α coefficients after removal of one of the 12 items each time. The convergent validity was 100%. Satisfactory content validity and discriminant validity were observed. The exploratory factor analysis demonstrated that there were 9 factors in the scale which could explain 88.26% of the total variance. It was highly consistent with the presupposed scale structure. The sensitivity reached 81.03% and the specificity was 51.72% when the cut off total score was equal or greater than 4. The area under the receiver operating characteristic (ROC) curve was 0.743. The positive predictive value and the negative predictive value were 40.17% and 87.21%, respectively. The Youden index was 0.33.
      Conclusion  The FRQ-CV is of good reliability, validity, and high sensitivity in identifying fall risk among community elderly and the scale could be used for fall risk self-assessment in community elderly populations.

     

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